On the basis of variation in form, structure, origin and development, sclerenchyma may be
Fibres
Sclereids
Either $(a)$ or $(b)$
Both $(a)$ and $(b)$
Distinguish between the following : Stem hair and root hair
Which of the stoma wall is thick
Subsidiary cells are the specialised cell in the
It is lack in plant root.
In the given figure, which component has thin outer walls and highly thickened inner walls?